GB/T 23031.4-2023 Chinese PDF (GB/T23031.4-2023) GB 19880-2024 1-2024_Chinese: Safety of intelligent consumer

1-2024_Chinese: Safety of intelligent consumer product - Part 1: Hazard identification (Chinese: 智能消费品安全 第1部分：危害（源）识别)

English versions: GB/T 21672-2024

English versions: GB/T 31547-2023

3-2023_Chinese: Petroleum and natural gas industries - Glass-reinforced plastics (GRP) piping - Part 3: System design (Chinese: 石油天然气工业 玻璃纤维增强塑料管 第3部分：系统设计)

1-2025_Chinese: Information technology - Chinese coded character set - 48 dot matrix font of Chinese ideogram - Part 1: Song ti (Chinese: 信息技术 中文编码字符集 汉字48点阵字型 第1部分：宋体)

GB/T 23031.4-2023 Chinese PDF (GB/T23031.4-2023) GB 19880-2024 1-2024_Chinese: Safety of intelligent consumerGB T 23031. 4 2023_Chinese: Industrial internet platform Application and implementation guide Part 4: Networked collaboration (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23031. 4 2023